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Dual-plasmonic Au@Cu7S4 yolk@shell nanocrystals for photocatalytic hydrogen production across visible to near infrared spectral region

Author

Listed:
  • Chun-Wen Tsao

    (National Yang Ming Chiao Tung University)

  • Sudhakar Narra

    (National Yang Ming Chiao Tung University)

  • Jui-Cheng Kao

    (National Yang Ming Chiao Tung University)

  • Yu-Chang Lin

    (National Synchrotron Radiation Research Center)

  • Chun-Yi Chen

    (Tokyo Institute of Technology)

  • Yu-Cheng Chin

    (National Cheng Kung University)

  • Ze-Jiung Huang

    (National Cheng Kung University)

  • Wei-Hong Huang

    (National Yang Ming Chiao Tung University)

  • Chih-Chia Huang

    (National Cheng Kung University)

  • Chih-Wei Luo

    (National Synchrotron Radiation Research Center
    National Yang Ming Chiao Tung University
    National Yang Ming Chiao Tung University)

  • Jyh-Pin Chou

    (National Changhua University of Education)

  • Shigenobu Ogata

    (Osaka University)

  • Masato Sone

    (Tokyo Institute of Technology)

  • Michael H. Huang

    (National Tsing Hua University)

  • Tso-Fu Mark Chang

    (Tokyo Institute of Technology)

  • Yu-Chieh Lo

    (National Yang Ming Chiao Tung University)

  • Yan-Gu Lin

    (National Synchrotron Radiation Research Center)

  • Eric Wei-Guang Diau

    (National Yang Ming Chiao Tung University
    National Yang Ming Chiao Tung University)

  • Yung-Jung Hsu

    (National Yang Ming Chiao Tung University
    National Yang Ming Chiao Tung University
    Institute of Innovative Research, Tokyo Institute of Technology)

Abstract

Near infrared energy remains untapped toward the maneuvering of entire solar spectrum harvesting for fulfilling the nuts and bolts of solar hydrogen production. We report the use of Au@Cu7S4 yolk@shell nanocrystals as dual-plasmonic photocatalysts to achieve remarkable hydrogen production under visible and near infrared illumination. Ultrafast spectroscopic data reveal the prevalence of long-lived charge separation states for Au@Cu7S4 under both visible and near infrared excitation. Combined with the advantageous features of yolk@shell nanostructures, Au@Cu7S4 achieves a peak quantum yield of 9.4% at 500 nm and a record-breaking quantum yield of 7.3% at 2200 nm for hydrogen production in the absence of additional co-catalysts. The design of a sustainable visible- and near infrared-responsive photocatalytic system is expected to inspire further widespread applications in solar fuel generation. In this work, the feasibility of exploiting the localized surface plasmon resonance property of self-doped, nonstoichiometric semiconductor nanocrystals for the realization of wide-spectrum-driven photocatalysis is highlighted.

Suggested Citation

  • Chun-Wen Tsao & Sudhakar Narra & Jui-Cheng Kao & Yu-Chang Lin & Chun-Yi Chen & Yu-Cheng Chin & Ze-Jiung Huang & Wei-Hong Huang & Chih-Chia Huang & Chih-Wei Luo & Jyh-Pin Chou & Shigenobu Ogata & Masat, 2024. "Dual-plasmonic Au@Cu7S4 yolk@shell nanocrystals for photocatalytic hydrogen production across visible to near infrared spectral region," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-023-44664-3
    DOI: 10.1038/s41467-023-44664-3
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    References listed on IDEAS

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    1. Zichao Lian & Masanori Sakamoto & Hironori Matsunaga & Junie Jhon M. Vequizo & Akira Yamakata & Mitsutaka Haruta & Hiroki Kurata & Wataru Ota & Tohru Sato & Toshiharu Teranishi, 2018. "Near infrared light induced plasmonic hot hole transfer at a nano-heterointerface," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
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